Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sandeep T. Vohra0
Irl N. Duling0
Paul J. Matthews0
Date of Patent
March 27, 2007
Patent Application Number
10303050
Date Filed
November 25, 2002
Patent Primary Examiner
Patent abstract
Arrangements are provided for an amplitude balanced optical amplifier. A combination of an optical preamplifier and a gain/loss variation modification device (VMD) is employed. The gain/loss VMD compensates the gain variation across different wavelength channels introduced by the preamplifier. The gain/loss VMD operates based on a gain/loss profile that is complementary to that of the preamplifier. More than one amplifier may be deployed. In addition, feedback control may be applied to either the preamplifier or the gain/loss VMD to dynamically control the performance.
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